新目标英语初中语法：现在完成时态

现在完成时态presentperfect时态（tense）不同时间发生的动作，动词要用不同形式。已学习过的时态已学习过的时态名称时间动动词形式一般现在时平时，经常1.v原形2.v+s/es（三单现）一般过去时过去（与现在无关）am/is/are+v-ing一般将来时现在进行时即将，计划正在进行1.will/shall+v原形2.am/is/aregoingto+v原形过去进行时过去某一时间，在进行1.v-ed（规则动词）2.不规则动词现在完成进行时过去延续到现在还持续s/were+v-in1.v.2.v+s/es（三单现）am/is/are+v-ing1.will/shall+v.2.am/is/aregoingto+v.1.v-ed（规则动词）2.不规则动词was/were+v-inghave/hasbeenv-ing判断下列句子的时态1.Sheworksinafactory.2.Iwasdoingmyhomeworkatthistimeyesterday.3.WearegoingtohaveapicnicthisSunday.4.Theyheldasportsmeetinglastweek.5.Areyouhelpingyourmother？6.Ihavebeensittinghereforanhour.一般现在时过去进行时一般将来时一般过去时现在进行时现在完成进行时现在完成时1.过去发生的动作对现在造成的影响或结果。和already，never,ever,just,before,yet等状语连用。2.过去已经开始，持续到现在的动作或状态，常与for或since引起的一段时间状语连用。动词构成：have/has+v过去分词havebreakfastIhavejusthadmybreakfast.(现在我不饿)I’mnothungrynowmovedherein2004IstilllivehereIhavelivedhereforthreeyears.Ihavelivedheresince2004/threeyearsago.nowpast现在完成时动词构成have/has+v过去分词助动词否定haven’thasn’t疑问Haveyou…?Hashe…?翻译.(English===Chinese)finish,homeworkIhavefinishedmyhomework.Hehasfinishedhishomework.haven’tHasheYes,hehas.No,hehasn’t.1.翻译这两句话；2.第一句变成否定句；3.第二句变成一般疑问句并回答。？have(has)been和have(has)gone的区别Wherehashebeen?Wherehashegone?have(has)been:表示曾经到过某地，人现在不在某地。have(has)gone：表示已经去过某地了，人现在在去某地的路上或已经在某地了。翻译：他去哪儿的？（他已经回来了）他去哪儿了？（他不在这里）练：ShehasbeentoShanghai.ShehasgonetoShanghai.1.她成为一名护士已经三年了。2.我五年前就认识李雷了。3.那些相片我已经寄给他了。（post）4.我来到这个学校后，他就一直教我。5.我刚丢了我的历史书。Shehasbeenanurseforthreeyears.IhaveknownLileisincefiveyearsago.Ihavealreadypostedthephotostohim.HehastaughtmesinceIcametotheschool.Ihavejustlostmyhistorybook.know,knew,knownteach,taught,taughtlose,lost,lostChinese==EnglishPayattention注意1.现在完成时句中常见的时间状语A.表示从过去一直持续到现在,不能是具体过去时间(1).for+表示一段时间的短语(2).since+表示过去时间点的词语(3).since+表示过去时间的时间状语从句eg.Ihavebeenateacher______ayear.Hehasbeenatthisschool_______1992.Wehavelearned1,000Englishwords_______wecametothisschool.forsincesinceB.just,already,yet,before/ever,never有此类副词时,常强调动作完成,不强调动作的持续.eg.Haveyou_____beentoJapan?Ihave_____finishedmyhomework.Ihavefinishedmyhomework______.Ihaven’tfinishedmyhomework____.everjustalreadyyet2.区分短暂性动词与持续性动词.表示短暂性(瞬间性)的动词在现在完成时的句中不能和一段时间连用.短暂性的动词如：come，go，join，leave，buy等，在完成时态中不能与for,since短语或Howlong等引起的时间状语连用。Ihaveboughtthispenfortwomonths.Ihavehadthispenfortwomonths.Howlonghaveyou_____thispen.hadTheteacherhasleft.Theteacherhasbeenawayforhalfanhour.(beaway)改错Howlonghaveyoubecomealeaguemember？Formorethanoneyear.Haveyouarrivedheresincelastnight?Yes，you’reright.HehasgonetoShanghaitwice.Howlonghavebeenatthisschool?Sincetwoyears.beenbeenbeenagoFor改写句子Homework：改写句子1.Myfathercamebackfromthebookshopjustnow.Myfather______just______________thebookshop.2.HebegantolearnChinesein2001.He____________Chinesesince2001.3.Thefilmbegantwominutesago.Thefilm_________________sincetwominutesago.4.Hehashadthemotorbikefortwoyears.It’stwoyears______he________themotorbike.He________themotorbiketwoyears______.Twoyears____________sincehe______themotorbikehasreturnedfromhaslearnedhasbeenonsinceboughtboughtagohaspassedboughtThankyouBye-bye!思考：现在完成时与现在完成进行时的区别